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NASA Images
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The coordinates of the Lambert azimuthal equal area projection are latitude 90 degrees N. to 90 degrees S. and longitude -180 degrees to 0 degrees. The north polar residual ice cap of the Planum Boreum region, which is cut by spiral-patterned troughs, is located at top. The upper part is marked by large depression, Isidis basin, which contains light-colored plains. The upper part also includes the light-colored smooth plains of Elysium Planitia and dark plains of Vastitas Borealis. Together,...
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Topic: What -- Polar
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00194
NASA Images
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This approximate natural-color image shows Saturn, its rings, and four of its icy satellites. Three satellites (Tethys, Dione, and Rhea) are visible against the darkness of space, and another smaller satellite (Mimas) is visible against Saturn's cloud tops very near the left horizon and just below the rings. The dark shadows of Mimas and Tethys are also visible on Saturn's cloud tops, and the shadow of Saturn is seen across part of the rings. Saturn, second in size only to Jupiter in our Solar...
Topics: What -- Saturn, What -- Tethys, What -- Dione, What -- Rhea, What -- Mimas, What -- Jupiter, What...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00400
NASA Images
by NASA
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eye 2,200

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During its flight, the Galileo spacecraft returned images of the Moon. The Galileo spacecraft took these images on December 7, 1992 on its way to explore the Jupiter system in 1995-97. The distinct bright ray crater at the bottom of the image is the Tycho impact basin. The dark areas are lava rock filled impact basins: Oceanus Procellarum (on the left), Mare Imbrium (center left), Mare Serenitatis and Mare Tranquillitatis (center), and Mare Crisium (near the right edge). This picture contains...
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Topics: What -- Galileo, What -- Moon, What -- Jupiter, What -- Crater, Where -- Jet Propulsion Laboratory...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00405
NASA Images
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Center of the orthographic projection is at latitude 30 degrees N., longitude 150 degrees. The north polar residual ice cap, which is cut by spiral-patterned troughs and surrounded by the dark lowland plains of Vastitas Borealis, is located at the top. The right-central part is dominated by the Tharsis Montes volcanoes. The most prominent of the Tharsis Montes volcanoes is the largest known volcano in the solar system, Olympus Mons. The light-colored lowland plains of Amazonis, Elysium, and...
Topic: What -- Polar
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00197
NASA Images
by NASA/JPL/NIMA
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eye 2,996

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On January 26, 2001, the Kachchh region in western India suffered the most deadly earthquake in India's history. Shortly thereafter, geologists traversed the region looking for ground surface disruptions, such as fault breaks, that could provide clues to the tectonic processes here. Shuttle Radar Topography Mission (SRTM) scientists provided stereoscopic images to the geologists, similar to this 3-D view of the terrain northwest of the city of Bhuj. The geologists reported back that the images...
Topics: What -- Shuttle Radar Topography Mission, What -- SRTM, What -- Landsat 7, What -- Earth, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03308
NASA Images
by NASA/GSFC/LaRC/JPL, MISR Team
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Lake Eyre is a large salt lake situated between two deserts in one of Australia's driest regions. However, this low-lying lake attracts run-off from one of the largest inland drainage systems in the world. The drainage basin is very responsive to rainfall variations, and changes dramatically with Australia's inter-annual weather fluctuations. When Lake Eyre fills,as it did in 1989, it is temporarily Australia's largest lake, and becomes dense with birds, frogs and colorful plant life. The Lake...
Topics: What -- Earth, What -- Terra, What -- MISR, Where -- Jet Propulsion Laboratory (JPL), Where --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03736
NASA Images
by NASA/JPL/Univ. of Arizona
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Image <a href="http://hiroc.lpl.arizona.edu/images/PSP/PSP_001484_2455/" class="external free" target="wpext">PSP_001484_2455</a> was taken by the High Resolution Imaging Science Experiment (HiRISE) camera onboard the Mars Reconnaissance Orbiter spacecraft on November 20, 2006. The complete image is centered at 65.5 degrees latitude, 235.1 degrees East longitude. The range to the target site was 310.3 km (194.0 miles). At this distance...
Topics: What -- High Resolution Imaging Science Experiment (HiRISE), What -- Mars, What -- Sun, Where --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA09541
NASA Images
by NASA/JPL
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This cylindrical-perspective stereo mosaic was created from navigation camera images acquired by NASA's Mars Exploration Rover Spirit during Spirit's sol 153, on June 8, 2004. Spirit is pointing toward the base of the " Columbia Hills." See <a href=" http://photojournal.jpl.nasa.gov/catalog/PIA06050">PIA06050</a> for left eye view and <a href=" http://photojournal.jpl.nasa.gov/catalog/PIA06051">PIA06051</a>...
Topics: What -- STEREO, What -- Navigation Camera (NC), What -- Mars Exploration Rover (MER), What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA06049
NASA Images
by NASA/JPL/Cornell University/Maas Digital
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December 15, 2003 An artist's concept portrays a NASA Mars Exploration Rover on the surface of Mars. Two rovers, Spirit and Opportunity, will reach Mars in January 2004. Each has the mobility and toolkit to function as a robotic geologist. NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Mars Exploration Rover Project for the NASA Office of Space Science, Washington, D.C.
Topics: What -- Mars Exploration Rover (MER), What -- Spirit, What -- Opportunity, Where -- Jet Propulsion...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA04928
NASA Images
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The top picture is a shaded relief image of the northwest corner of Mexico's Yucatan Peninsula generated from Shuttle Radar Topography Mission (SRTM) data, and shows a subtle, but unmistakable, indication of the Chicxulub impact crater. Most scientists now agree that this impact was the cause of the Cretatious-Tertiary Extinction, the event 65 million years ago that marked the sudden extinction of the dinosaurs as well as the majority of life on Earth. The pattern of the crater's rim is marked...
Topics: What -- Shuttle Radar Topography Mission, What -- SRTM, What -- Crater, What -- Earth, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03381
NASA Images
by NASA/JPL/Malin Space Science Systems
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eye 1,373

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14 February 2004 Happy St. Valentine's Day from the Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) team! This collection of images acquired over the past 3 Mars years shows some of the heart-shaped features found on Mars by the MGS MOC. * The heart in E04-01788 is a low mesa located near 46.7N, 29.0W, and is about 636 m (2,086 ft) wide. * The heart in R10-03259 is a depression located near 22.7N, 56.6W, and is about 378 m (1,240 ft) wide. * The heart in R09-02121 is a small mesa on a...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Mars, What -- Crater
Source: http://photojournal.jpl.nasa.gov/catalog/PIA05296
NASA Images
by NASA
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Saturn's outermost large moon, Iapetus, has a bright, heavily cratered icy terrain and a dark terrain, as shown in this Voyager 2 image taken on August 22, 1981. Amazingly, the dark material covers precisely the side of Iapetus that leads in the direction of orbital motion around Saturn (except for the poles), whereas the bright material occurs on the trailing hemisphere and at the poles. The bright terrain is made of dirty ice, and the dark terrain is surfaced by carbonaceous molecules,...
Topics: What -- Moon, What -- Iapetus, What -- Voyager 2, What -- Saturn, What -- Earth, What -- Discovery,...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00348
NASA Images
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This perspective view of Venus, generated by computer from Magellan data and color-coded with emissivity, is a look westward across the Fortuna Tessera toward the slopes of Maxwell Montes. The tessera terrain of both Fortuna and the slopes of Maxwell is characterized by roughly parallel north-south trending ridges. With a maximum elevation of roughly 11 km above the planetary reference surface (which has a radius of 6051 km), Maxwell is the highest mountain on Venus. The circular feature on the...
Topics: What -- Venus, What -- Magellan, What -- Crater, What -- STEREO
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00315
NASA Images
by NASA
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These photos of the four Galilean satellites of Jupiter were taken by Voyager 1 during its approach to the planet in early March 1979. Io (top left), Europa (top right), Ganymede (bottom left) and Callisto (bottom right) are shown in their correct relative sizes: Ganymede and Callisto are both larger than the planet Mercury; Io and Europa are about the same size as the Moon. Image processing also preserves the relative contrasts of the satellites. Thus it is apparent that Europa has the least...
Topics: What -- Jupiter, What -- Voyager 1, What -- Io, What -- Europa, What -- Ganymede, What -- Callisto,...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00012
NASA Images
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The coordinates of the Lambert azimuthal equal area projection are latitude 90 degrees N. to 90 degrees S. and longitude 0 degree to 180 degrees. Both polar residual ice caps are seen at top and bottom. The central part is dominated by the four largest and youngest volcanoes on Mars--Olympus, Arsia, Pavonis, and Ascraeus Montes--and by a vast system of canyons several thousand kilometers long--Valles Marineris. Directly to the northeast of Valles Marineris, several large outflow channels...
Topics: What -- Polar, What -- Mars
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00193
NASA Images
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An 8-kilometer (5-mile) wide crater of possible impact origin is shown in this stereoscopic view of an isolated part of the Bolivian Amazon. The view is derived from an Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) satellite image and a Shuttle Radar Topography Mission (SRTM) elevation model. The circular feature covering much of the image, known as the Iturralde Structure, is possibly the Earth's most recent "big" impact event recording collision with a...
Topics: What -- Crater, What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03363
NASA Images
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This Voyager 2 photograph of Tethys shows objects about 5 kilometers (3 miles) in size and is one of the best images of the Saturnian satellite returned by the spacecraft or its predecessor, Voyager 1. Voyager 2 obtained this picture Aug. 26 from a range of 282,000 kilometers (175,000 miles). It has been specially processed by computer to bring out fine detail on the surface. A boundary between heavily cratered regions (top right) and more lightly cratered areas (bottom right) is very similar...
Topics: What -- Voyager 1, What -- Tethys, What -- Voyager 2, What -- Dione, What -- Rhea, What -- Crater,...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01397
NASA Images
by NASA/JPL/Malin Space Science Systems
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30 September 2006 This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows an example of the extremely odd, seemingly scrambled layered rocks exposed by erosion near the deepest part of the deepest basin on Mars, Hellas. This pattern of eroded, and perhaps deformed layers was once exposed to the martian surface, then buried, and more recently exposed again. The story behind these layers is not really understood; some members of the MOC team have -- for nearly 9 years now -- taken...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Mars
Source: http://photojournal.jpl.nasa.gov/catalog/PIA08801
NASA Images
by NASA
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This composite image of Earth and Mars was created to allow viewers to gain a better understanding of the relative sizes of the two planets. The <a href="http://photojournal.jpl.nasa.gov/catalog/PIA00114">Earth</a> image was acquired from the Galileo orbiter at about 6:10 a.m. Pacific Standard Time on Dec. 11, 1990, when the spacecraft was about 1.3 million miles from the planet during the first of two Earth flybys on its way to Jupiter. The <a...
Topics: What -- Earth, What -- Mars Global Surveyor Orbiter (MGS), What -- Galileo, What -- Jupiter, What...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA02570
NASA Images
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The Nyiragongo volcano in the Congo erupted on January 17, 2002, and subsequently sent streams of lava into the city of Goma on the north shore of Lake Kivu. More than 100 people were killed, more than 12,000 homes were destroyed, and hundreds of thousands were forced to flee the broader community of nearly half a million people. This Landsat satellite image shows the volcano (right of center), the city of Goma, and surrounding terrain. Image data from the Advanced Spaceborne Thermal Emission...
Topics: What -- Landsat 3, What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03339
NASA Images
by NASA/JPL/Malin Space Science Systems
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11 December 2005 This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows light-toned, layered, sedimentary rock exposures in western Candor Chasma, part of the vast Valles Marineris trough system. Most of west Candor's interior includes exposures of layered rock with very few superimposed impact craters. The rock may be very ancient, but the lack of craters suggests that the erosion of these materials is on-going. <i>Location near</i>: 6.3S, 76.0W...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Mars
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03630
NASA Images
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This mosaic shows the Asgard multi-ring structure on Callisto, Jupiter's second largest icy moon. The <a href="http://photojournal.jpl.nasa.gov/catalog/PIA00517">Asgard structure</a>, centered near 30 degrees north latitude, 142 degrees west longitude, is approximately 1700 km across (1,056 miles) and consists of a bright central zone surrounded by discontinuous rings. The rings are fractures that formed when Callisto's surface was struck by a large comet...
Topics: What -- Callisto, What -- Moon, What -- Galileo, What -- Jupiter, What -- Crater, Where -- Jet...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01634
NASA Images
by NASA
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This solar-system montage of the nine planets and 4 large moons of Jupiter in our solar system are set against a false-color view of the Rosette Nebula. The light emitted from the Rosette Nebula results from the presence of hydrogen (red), oxygen (green) and sulfur (blue). Most of the planetary images in this montage were obtained by NASA's planetary missions, which have dramatically changed our understanding of the solar system in the past 30 years. The following lists the mission and link for...
Topic: What -- Jupiter
Source: http://photojournal.jpl.nasa.gov/catalog/PIA02973
NASA Images
by NASA/JPL/NIMA
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This stereoscopic shaded relief image shows Africa's topography as measured by the Shuttle Radar Topography Mission (SRTM) in February 2000. Also shown are Madagascar, the Arabian Peninsula, and other adjacent regions. Previously, much of the topography here was not mapped in detail. Digital elevation data, such as provided by SRTM, are in high demand by scientists studying earthquakes, volcanism, and erosion patterns and for use in mapping and modeling hazards to human habitation. But the...
Topics: What -- Shuttle Radar Topography Mission, What -- SRTM, What -- Atlas, What -- Crater, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA04964
NASA Images
by NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team
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On the night of June 4, 2001 ASTER captured this thermal image of the erupting Shiveluch volcano. Located on Russia's Kamchatka Peninsula, Shiveluch rises to an altitude of 8028'. The active lava dome complex is seen as a bright (hot) area on the summit of the volcano. To the southwest, a second hot area is either a debris avalanche or hot ash deposit. Trailing to the west is a 25 km ash plume, seen as a cold "cloud" streaming from the summit. At least 60 large eruptions have occurred...
Topics: What -- ASTER, What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA02674
NASA Images
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The "Big Crater" is actually a relatively small Martian crater to the southeast of the Mars Pathfinder landing site. It is 1500 meters (4900 feet) in diameter, or about the same size as Meteor Crater in Arizona. Superimposed on the rim of Big Crater (the central part of the rim as seen here) is a smaller crater nicknamed "Rimshot Crater." The distance to this smaller crater, and the nearest portion of the rim of Big Crater, is 2200 meters (7200 feet). To the right of Big...
Topics: What -- Crater, What -- Mars, What -- Viking, What -- STEREO A, What -- Discovery, Where --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01007
NASA Images
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Oval cloud systems of this type are often associated with chaotic cyclonic systems such as the balloon shaped vortex seen here between the well formed ovals. This system is centered near 30 degrees south planetocentric latitude and 100 degrees west longitude and rotates in a clockwise sense about its center. The oval shaped vortices in the upper half of the mosaic are two of the three long-lived White Ovals that formed to the south of the Red Spot in the 1930's and, like the Red Spot, rotate in...
Topics: What -- Earth, What -- Galileo, What -- Jupiter, Where -- Jet Propulsion Laboratory (JPL), Where --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00860
NASA Images
by NASA
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This perspective view of Ishtar Terra was derived from data obtained by the Pioneer Venus spacecraft's altimetry radar instrument. Ishtar viewed from the west (bottom of image) is centered at about 65 degrees north latitude and 0 degrees longitude. Ishtar (approximately equal in size to Australia) is a large plateau standing 3.3 km above the surrounding lowlands, bounded by relatively steep slopes. Rising above this plateau are three massifs: Akna Montes and Freyja Montes along the western and...
Topics: What -- Terra, What -- Pioneer Venus, What -- Venus, Where -- Australia
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00093
NASA Images
by NASA
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This false-color mosaic of part of the Moon was constructed from 54 images taken by Galileo's imaging system as the spacecraft flew past the Moon on December 7, 1992. The mosaic images were processed to exaggerate the colors of the lunar surface for analytical purposes. Titanium-rich soils, typical of the Apollo 11 landing site, appear blue, as seen in Mare Tranquillitatis, left side; soils lower in titanium appear orange, as seen in Mare Serenitatis, center right. Most of the lunar highlands...
Topics: What -- Moon, What -- Apollo 11, What -- Galileo, What -- Jupiter, Where -- Jet Propulsion...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00129
NASA Images
by NASA
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Southwest Lakshmi Planum (plains) is bounded on the south by the Danu Montes (mountains). Lakshmi Planum is an elevated plateau plain that is bounded on all sides by mountain chains. Here, the Danu mountains have an angular fractured appearance. Chasms slice diagonally across the mountains in the lower left (southwest) corner of the image. Because of the steep slopes and the local relief of the mountains of several kilometers (2-3 miles, these fault-bounded troughs appear to zig-zag through the...
Topic: What -- Venus
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00249
NASA Images
by NASA/JPL/Malin Space Science Systems
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MGS MOC Release No. MOC2-545, 15 November 2003 Northern Sinus Meridiani is a region of vast exposures of layered, sedimentary rock. Buried within these layers are many filled impact craters. Erosion has re-exposed several formerly-buried craters in this Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image. Arrows 1 and 2 indicate craters that are still emerging from beneath layered material; arrow 3 indicates a crater that has been fully re-exposed. This image is located near 5.1N, 2.7W....
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Mars, What -- Crater
Source: http://photojournal.jpl.nasa.gov/catalog/PIA04874
NASA Images
by NASA/JPL/California Institute of Technology
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This image of the dwarf spiral galaxy NGC 247 was taken by Galaxy Evolution Explorer on October 13, 2003, in a single orbit exposure of 1600 seconds. The region that looks like a " hole"in the upper part of the galaxy is a location with a deficit of gas and therefore a lower star formation rate and ultraviolet brightness. Optical images of this galaxy show a bright star on the southern edge. This star is faint and red in the Galaxy Evolution Explorer ultraviolet image, revealing that...
Topics: What -- Galaxy Evolution Explorer, What -- Explorer, Where -- Milky Way Galaxy
Source: http://photojournal.jpl.nasa.gov/catalog/PIA04922
NASA Images
by NASA/JPL/Cornell
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This approximate true color image taken by the panoramic camera onboard the Mars Exploration Rover Spirit shows "Adirondack," the rover's first target rock. Spirit traversed the sandy martian terrain at Gusev Crater to arrive in front of the football-sized rock on Sunday, Jan. 18, 2004, just three days after it successfully rolled off the lander. The rock was selected as Spirit's first target because its dust-free, flat surface is ideally suited for grinding. Clean surfaces also are...
Topics: What -- Panoramic Camera, What -- Mars Exploration Rover (MER), What -- Spirit, What -- Crater,...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA05105
NASA Images
by NASA/JPL/Space Science Institute
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Cassini's "eyes" -- its powerful imaging cameras -- bear witness to the majestic and spectacular sights of the Saturn system, as this views attests. Here, the probe gazes upon Titan (5,150 kilometers, or 3,200 miles across) in the distance beyond Saturn and its dark and graceful rings. This view was taken from above the ringplane and looks toward the unlit side of the rings. The image was taken using a spectral filter sensitive to wavelengths of infrared light centered at 938...
Topics: What -- Saturn, What -- Titan, What -- Cassini, What -- Sun, What -- Huygens Probe, Where -- Jet...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA08196
NASA Images
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NASA's Solar TErrestrial RElations Observatory (STEREO) satellites have provided the first three-dimensional images of the Sun. For the first time, scientists will be able to see structures in the Sun's atmosphere in three dimensions. The new view will greatly aid scientists' ability to understand solar physics and thereby improve space weather forecasting. This image is a composite of left and right eye color image pairs taken by the SECCHI Extreme UltraViolet Imager (EUVI) mounted on the...
Topics: What -- Solar TErrestrial RElations Observatory, What -- STEREO A, What -- Sun, What -- SECCHI,...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA09325
NASA Images
by NASA
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During August 16 and 17, 1989, the Voyager 2 narrow-angle camera was used to photograph Neptune almost continuously, recording approximately two and one-half rotations of the planet. These images represent the most complete set of full disk Neptune images that the spacecraft will acquire. This picture from the sequence shows two of the four cloud features which have been tracked by the Voyager cameras during the past two months. The large dark oval near the western limb (the left edge) is at a...
Topics: What -- Voyager 2, What -- Neptune, What -- Voyager, Where -- Jet Propulsion Laboratory (JPL)
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00046
NASA Images
by NASA
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This mosaic is composed of 18 Viking Orbiter images (6 each in red, green, and violet filters), acquired on September 28, 1977, during revolution 407 of Viking Orbiter 2. The south pole is located just off the lower left edge of the polar cap, and the 0 degree longitude meridian extends toward the top of the mosaic. The large crater near the right edge (named "South") is about 100 km in diameter. These images were acquired during southern summer on Mars (Ls = 341 degrees); the...
Topics: What -- Viking 2 Orbiter, What -- Polar, What -- Meridian, What -- Crater, What -- Mars
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00301
NASA Images
by NASA
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This image of Sachs Patera on Venus is centered at 49 degrees north, 334 degrees east. Defined as a sag-caldera, Sachs is an elliptical depression 130 meters (81 feet) in depth, spanning 40 kilometers (25 miles) in width along its longest axis. The morphology implies that a chamber of molten material drained and collapsed, forming a depression surrounded by concentric scarps spaced 2-to-5 kilometers (1.2- to-3 miles) apart. The arc-shaped set of scarps, extending out to the north from the...
Topics: What -- Venus, What -- Earth
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00473
NASA Images
by NASA
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, bottom mosaic (latest) As on Earth, the auroral emission is caused by electrically charged particles striking atoms in the upper atmosphere from above. The particles travel along Jupiter's magnetic field lines, but their origin is not fully understood. The field lines where the aurora is most intense cross the Jovian equator at large distances (many Jovian radii) from the planet. The faint background throughout the image is scattered light in the camera. This stray light comes from the sunlit...
Topics: What -- Earth, What -- Aurora 1, What -- Jupiter, What -- Galileo, What -- Io, What -- Moon, Where...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01602
NASA Images
by NASA/JPL/MSSS
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This month (April 1999), the Mars Global Surveyor Mars Orbiter Camera (MOC) passed over the Apollinaris Patera volcano and captured a patch of bright clouds hanging over its summit in the early martian afternoon. This ancient volcano is located near the equator and--based on observations from the 1970s Viking Orbiters--is thought to be as much as 5 kilometers (3 miles) high. The caldera--the semi-circular crater at the volcano summit--is about 80 kilometers (50 miles) across. The color in this...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Viking, What -- Crater, What...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA02006
NASA Images
by NASA/JPL/Cornell
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This mosaic image from the Mars Exploration Rover Spirit panoramic camera shows the trench or " scuff"mark in the Gusev Crater location dubbed " Serpent."The trench is approximately 30-35 centimeters (12-14 inches) across and 40-45 centimeters (16-18 inches) long from top to bottom. Work using the rover's instrument deployment device, or" arm,"was completed on the undisturbed surface of the drift as well as within the interior of the trench. This image is in...
Topics: What -- Mars Exploration Rover (MER), What -- Spirit, What -- Panoramic Camera, What -- Crater
Source: http://photojournal.jpl.nasa.gov/catalog/PIA05592
NASA Images
by NASA/JPL
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This cylindrical-projection view was created from navigation camera images that NASA's Mars Exploration Rover Spirit acquired on sol 122 (May 7, 2004). Spirit is sitting at site 43. The rover is on its way to the "Columbia Hills," which can be seen on the horizon. Spirit will spend the next 37 sols or more journeying to the base of these hills with the goal of learning more about Gusev Crater's past. See <a...
Topics: What -- Navigation Camera (NC), What -- Mars Exploration Rover (MER), What -- Spirit, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA05889
NASA Images
by NASA/JPL/Malin Space Science Systems
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6 July 2004 This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows several dark-toned mesas surrounded by light-toned sedimentary rock outcrops in Aram Chaos, a large impact basin -- over 200 km (more than 125 mi) across. These mesas are remnants of a once more extensive rock unit. The image is located near 2.0N, 20.2W, and covers an area about 3 km (1.9 mi) wide. Sunlight illuminates the scene from the left.
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Mars
Source: http://photojournal.jpl.nasa.gov/catalog/PIA06366
NASA Images
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Mount Meru is an active volcano located just 70 kilometers(44 miles)west of Mount Kilimanjaro. It reaches 4,566 meters (14,978 feet) in height but has lost much of its bulk due to an eastward volcanic blast sometime in its distant past, perhaps similar to the eruption of Mount Saint Helens in Washington State in 1980. Mount Meru most recently had a minor eruption about a century ago. The several small cones and craters seen in the vicinity probably reflect numerous episodes of volcanic...
Topics: What -- Crater, What -- Landsat 7, What -- Shuttle Radar Topography Mission, What -- Earth, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03357
NASA Images
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This view from the base of " Burns Cliff"in the inner wall of " Endurance Crater"combines several frames taken by Opportunity's navigation camera during the NASA rover's 280th martian day (Nov. 6, 2004). It is the right-eye member of a stereo pair, presented in a cylindrical-perspective projection with geometric seam correction. The cliff dominates the left and right portions of the image, while the central portion looks down into the crater. The " U"shape of this...
Topics: What -- Crater, What -- Navigation Camera (NC), What -- STEREO
Source: http://photojournal.jpl.nasa.gov/catalog/PIA07047
NASA Images
by NASA/JPL/Space Science Institute
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Tiny, dust-sized particles in Saturn's rings become much easier to see at high phase angle -- the angle formed by the Sun, the rings and the spacecraft. The brightest ring is the F ring; the next feature to the left is the outer edge of the A ring. Inward of that, and very bright, are the ringlets in the Encke gap. Epimetheus (116 kilometers, or 72 miles across) is easy to spot just right of the outer F ring edge. Janus (181 kilometers, or 113 miles across), however, is quite a bit harder to...
Topics: What -- Sun, What -- Cassini, What -- Atlas, What -- Visible Light, What -- Huygens Probe, Where --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA08244
NASA Images
by NASA/JPL/University of Arizona
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This mosaic of Saturn's rings was acquired by Cassini's visual and infrared mapping spectrometer instrument on Sept. 15, 2006, while the spacecraft was in the shadow of the planet looking back towards the rings from a distance of 2.16 million kilometers (1.34 million miles). Data at wavelengths of 1.0 micron, 1.75 micron and 3.6 microns were combined in the blue, green and red channels to make the pseudo-color image shown here. The brightest feature in the mosaic is the F ring, located at the...
Topics: What -- Visual and Infrared Mapping Spectrometer (VIMS), What -- Spectrometer, What -- Sun, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01940
NASA Images
by NASA/JPL/MSSS
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This picture is illuminated by sunlight from the upper left. It shows a tiny 1 kilometer by 1 kilometer (0.62 x 0.62 mile) area of the martian north polar residual ice cap as it appears in summertime. The surface looks somewhat like that of a kitchen sponge--it is flat on top and has many closely-spaced pits of no more than 2 meters (5.5 ft) depth. The upper, flat surface in this image has a medium-gray tone, while the pit interiors are darker gray. Each pit is generally 10 to 20 meters (33-66...
Topics: What -- Polar, What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, Where -- California,...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA02370
NASA Images
by NASA
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These maps are global false-color topographic views of Mars at different orientations from the Mars Orbiter Laser Altimeter (MOLA). The maps are orthographic projections that contain over 200,000,000 points and about 5,000,000 altimetric crossovers. The spatial resolution is about 15 kilometers at the equator and less at higher latitudes. The vertical accuracy is less than 5 meters. The right hand image view features the Hellas impact basin (in purple, with red annulus of high standing...
Topics: What -- Mars, What -- Altimeter, Where -- Goddard Space Flight Center (GSFC)
Source: http://photojournal.jpl.nasa.gov/catalog/PIA02820
NASA Images
by NASA/JPL/Malin Space Science Systems
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MGS MOC Release No. MOC2-424, 17 July 2003 Craters near the edge of the retreating south polar seasonal frost cap often have fog in them, this time of year. This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) wide angle red image was acquired just a few days ago on July 13, 2003. It shows a crater, 36 km (22 mi) across, that is enveloped in fog. This picture was taken as a context frame for a high resolution view that was intended to show dunes on the floor of the crater. That high...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Polar, What -- Surveyor, What -- Mars, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA04641
NASA Images
by NASA/JPL/Arizona State University
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Released 12 February 2004 Humanity is a very visual species. We rely on our eyes to tell us what is going on in the world around us. Put any image in front of a person and that person will examine the picture looking for anything familiar. Even if the examiner has no idea what he/she is looking at in a picture, he/she will still be able to make a statement about the picture, usually preceded by the words "it looks like..." The image above is part of the surface of Mars, but is...
Topics: What -- Mars, What -- THEMIS, What -- 2001 Mars Odyssey, What -- Thermal Emission Imaging System...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA05373
NASA Images
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Saturn's magnificent ring system is seen tilted edge-on -- for the second time this year -- in this NASA Hubble Space Telescope picture taken on August 10, 1995, when the planet was 895 million miles (1,440 million kilometers) away. Hubble snapped the image as Earth sped back across Saturn's ring plane to the sunlit side of the rings. Last May 22, Earth dipped below the ring plane, giving observers a brief look at the backlit side of the rings. Ring-plane crossing events occur approximately...
Topics: What -- Hubble Space Telescope (HST), What -- Earth, What -- Enceladus, What -- Tethys, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01273
Shortly after midnight Sunday morning (5 April 1998 12:39 AM PST), the Mars Orbiter Camera (MOC) on the Mars Global Surveyor (MGS) spacecraft successfully acquired a high resolution image of the " Face on Mars"feature in the Cydonia region. The image was transmitted to Earth on Sunday, and retrieved from the mission computer data base Monday morning (6 April 1998). The image was processed at the Malin Space Science Systems (MSSS) facility 9:15 AM and the raw image immediately...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Earth, What -- Sun, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01441
NASA Images
by NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team
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The magnitude 9.2 Indian Ocean earthquake of December 26, 2004, produced broad regions of uplift and subsidence. In order to define the lateral extent and the downdip limit of rupture, scientists from Caltech, Pasadena, Calif.; NASA's Jet Propulsion Laboratory, Pasadena, Calif.; Scripps Institution of Oceanography, La Jolla, Calif.; the U.S. Geological Survey, Pasadena, Calif.; and the Research Center for Geotechnology, Indonesian Institute of Sciences, Bandung, Indonesia; first needed to...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA02435
NASA Images
by NASA/JPL/Arizona State University
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(Released 9 May 2002) Kasei Valles (Kasei is the Japanese word for Mars) is one of the largest outflow channels on Mars. Kasei Valles stretches some 2,000 km across the face of Mars and empties into the Chryse basin. This THEMIS image is of the northern branch of Kasei Valles and shows the channel floor and northern channel wall. The plateau surface located at the top of this image is more heavily cratered than the channel floor which indicates that the plateau is older than the channel floor....
Topics: What -- Mars, What -- THEMIS
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03792
NASA Images
by NASA
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This image of the rock "Flat Top" was taken from the left of the Sojourner rover's front cameras on Sol 42. Pits on the edge of the rock and a fluted surface are clearly visible. The rocks in the left background comprise the Rock Garden. This image and <a href="http://photojournal.jpl.nasa.gov/catalog/PIA01555">PIA01555</a>(right eye) make up a stereo pair. Mars Pathfinder is the second in NASA's Discovery program of low-cost spacecraft with...
Topics: What -- STEREO, What -- Mars, What -- Discovery, Where -- Jet Propulsion Laboratory (JPL), Where --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01554
NASA Images
by NASA
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In this Voyager 2 image of Saturn, obtained Aug. 11, 1981, from a range of 14.7 million kilometers (9.1 million miles), north is at the upper right edge of the disc. Seen above the planet are the satellites Dione (right) and Enceladus. This false-color print shows a green spot at the south edge of a yellow band; in true color, the spot would appear brown and the band white. A bright yellow spot slightly above and to the left in this image moves eastward relative to the green spot at a rate that...
Topics: What -- Voyager 2, What -- Saturn, What -- Dione, What -- Enceladus, What -- Voyager, Where -- Jet...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01959
NASA Images
by NASA/JPL
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This image shows a screenshot from the software used by engineers to roll the Mars Exploration Rover Opportunity off its lander and onto martian soil. Engineers received confirmation that Opportunity's six wheels had touched ground at 3:01 a.m. PST, January 31, 2004, on the seventh martian day, or sol, of the mission. The software simulates the rover's movements, helping to plot a safe course. The virtual 3-D world around the rover is built from images taken by Opportunity's stereo navigation...
Topics: What -- Mars Exploration Rover (MER), What -- Opportunity, What -- STEREO, What -- Navigation...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA05184
NASA Images
by NASA/JPL-Caltech/NRL/GSFC
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NASA's Solar TErrestrial RElations Observatory (STEREO) satellites have provided the first three-dimensional images of the Sun. For the first time, scientists will be able to see structures in the Sun's atmosphere in three dimensions. The new view will greatly aid scientists' ability to understand solar physics and thereby improve space weather forecasting. This image is a composite of left and right eye color image pairs taken by the SECCHI Extreme UltraViolet Imager (EUVI) mounted on the...
Topics: What -- Solar TErrestrial RElations Observatory, What -- STEREO A, What -- Sun, What -- SECCHI,...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA09327
NASA Images
by NASA/JPL/JHUAPL/Brown University
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This map of Eastern Candor Chasma, one of the deep valleys in Valles Marineris, was assembled from images taken by the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) over the first five months of orbital operations around Mars. Besides obtaining high spatial resolution targeted observations, CRISM is also compiling a global map at approximately 200 meters (660 feet) per pixel. That map is taken in 72 key wavelengths out of CRISM's total of 545, which are most sensitive to the...
Topics: What -- Compact Reconnaissance Imaging Spectrometer for Mars, What -- Spectrometer, What -- Mars,...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA09934
NASA Images
by NASA/JPL-Caltech/Harvard-Smithsonian CfA
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This false-color image from NASA's Spitzer Space Telescope reveals hidden populations of newborn stars at the heart of the colliding "Antennae" galaxies. These two galaxies, known individually as NGC 4038 and 4039, are located around 68 million light-years away and have been merging together for about the last 800 million years. The latest Spitzer observations provide a snapshot of the tremendous burst of star formation triggered in the process of this collision, particularly at the...
Topics: What -- Spitzer Space Telescope, What -- Snapshot, What -- Infrared Array Camera (IRAC), What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA06853
NASA Images
by NASA/JPL/Malin Space Science Systems
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26 January 2004 This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows an impact crater in Chryse Planitia, not too far from the Viking 1 lander site, that to seems to resemble a bug-eyed head. The two odd depressions at the north end of the crater (the " eyes" ) may have formed by wind or water erosion. This region has been modified by both processes, with water action occurring in the distant past via floods that poured across western Chryse Planitia from Maja Valles,...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Mars, What -- Crater, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA07304
NASA Images
by NASA/JPL/Arizona State University
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Welcome to the second annual THEMIS ART MONTH. From Jan. 31 through March 4 we will be showcasing images for their aesthetic value, rather than their science content. Portions of these images resemble things in our everyday lives, from animals to letters of the alphabet. We hope you enjoy our fanciful look at Mars! Perhaps an alien, or perhaps a ghost; whichever it is, that's a spiffy tie he (or she...or it) is wearing. Note: this THEMIS visual image has not been radiometrically nor...
Topics: What -- THEMIS, What -- Mars, What -- 2001 Mars Odyssey, What -- Thermal Emission Imaging System...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA07358
NASA Images
by NASA/JPL
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This image was taken with the Cassini Synthetic Aperture Radar instrument on Oct. 28, 2005. This was the fourth flyby of Titan during which radar images were obtained, and this pass considerably expanded the coverage of Titan's surface. The swath is about 6,150 kilometers kilometers (3,821 miles) long, extending from 7 degrees north to 18 degrees south latitude and 179 west to 320 west longitude. The spatial resolution of the radar images ranges from about 300 meters (984 feet) per pixel to...
Topics: What -- Cassini, What -- Titan, What -- Huygens Probe, Where -- Jet Propulsion Laboratory (JPL),...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA08454
NASA Images
by NASA
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Portions of the lander's deflated airbags and a petal are at the lower area of this image, taken in stereo by the Imager for Mars Pathfinder (IMP) on Sol 3. 3D glasses are necessary to identify surface detail. This image is part of a 3D "monster" panorama of the area surrounding the landing site. Mars Pathfinder is the second in NASA's Discovery program of low-cost spacecraft with highly focused science goals. The Jet Propulsion Laboratory, Pasadena, CA, developed and manages the Mars...
Topics: What -- STEREO B, What -- Imager for Mars Pathfinder, What -- Mars, What -- Discovery, Where -- Jet...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00693
NASA Images
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Shortly after midnight Sunday morning (5 April 1998 12:39 AM PST), the Mars Orbiter Camera (MOC) on the Mars Global Surveyor (MGS) spacecraft successfully acquired a high resolution image of the " Face on Mars"feature in the Cydonia region. The image was transmitted to Earth on Sunday, and retrieved from the mission computer data base Monday morning (6 April 1998). The image was processed at the Malin Space Science Systems (MSSS) facility 9:15 AM and the raw image immediately...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Earth, What -- Sun, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA01439
NASA Images
by NASA/JPL/Space Science Institute
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This image compares streaked terrain on Titan and Mars. At left is an image from Cassini of the region where the Huygens probe is expected to land. At right is a picture from NASA's Viking 1 orbiter, showing streaks on Mars caused by winds blowing from right to left. The streaks at the Huygens landing site were formed by some kind of fluid, possibly wind, moving from the upper left to lower right (west to east). The Cassini image was taken on Oct. 26, 2004, by the spacecraft's imaging science...
Topics: What -- Titan, What -- Mars, What -- Cassini, What -- Huygens Probe, What -- Viking 1 Orbiter, What...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA06990
NASA Images
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This radar image shows a close up view of a portion of the Richtersveld National Park and Orange River (top of image) in the Northern Cape Province of the Republic of South Africa. The Orange River marks the boundary between South Africa to the south and Namibia to the north. This is an area of active mining for diamonds, which were washed downstream from the famous Kimberley Diamond Area, millions of years ago when the river was much larger. The mining is focused on ancient drainages of the...
Topics: What -- Spaceborne Imaging Radar, What -- Space Shuttle Orbiter, What -- Endeavour, Where -- South...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA00822
NASA Images
by NASA/JPL/MSSS
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This animation portrays the movements that NASA's Mars Global Surveyor undergoes to acquire an enhanced-resolution image using a technique called compensated pitch and roll targeted observation. The camera team and spacecraft team developed the technique for increasing the resolution in images taken by the spacecraft's Mars Orbiter Camera. Controllers adjust the rotation rate of the spacecraft to match the ground speed under the camera while the orbiter passes over the target. Even without...
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, Where -- Jet Propulsion Laboratory...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA06880
NASA Images
by NASA/JPL/Malin Space Science Systems
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7 November 2004 This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a ~3.7 m/pixel (~12 ft/pixel) view of a portion of a small dust storm that occurred during early southern autumn in April 2004. The image is located on the floor of a crater near 57.8S, 271.0W. The image covers an area approximately 3 km (1.9 mi) across and is illuminated by sunlight from the upper left.
Topics: What -- Mars Global Surveyor Orbiter (MGS), What -- Surveyor, What -- Mars, What -- Crater
Source: http://photojournal.jpl.nasa.gov/catalog/PIA07034
NASA Images
by NASA/JPL/Space Science Institute
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Cassini has Mimas (397 kilometers, or 247 miles across, at bottom) and Pandora (84 kilometers, or 52 miles across, at center left) on its side as it gazes across the ringplane at distant Tethys (1,071 kilometers, or 665 miles across, at top). The two smaller moons were on the side of the rings closer to Cassini when this image was taken. Little structure is visible on the moons, aside from a stippling of craters. Two dark notches in the rings at right are the Encke and Keeler gaps. The thin,...
Topics: What -- Cassini, What -- Mimas, What -- Tethys, What -- Visible Light, What -- Saturn, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA07661
NASA Images
by 2MASS
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Atlas Image mosaic, covering 14.8 20.0 on the sky, of the Trifid Nebula, aka Messier 20 and NGC 6514. The Trifid is only about 1.5 degrees northwest on the sky of the larger Lagoon Nebula (Messier 8) in the constellation Sagittarius, and is at a distance from us of 1.68 kpc (or 5477 light years), near the plane of our Milky Way Galaxy. It gets its name from its optical appearance, from three dark dust lanes that divide it. Like the Lagoon, much of the optical emission is dominated by the red...
Topics: What -- Atlas, What -- Constellation, What -- Sagittarius, Where -- Milky Way Galaxy
Source: http://photojournal.jpl.nasa.gov/catalog/PIA04220
NASA Images
by NASA/JPL-Caltech/Harvard-Smithsonian CfA
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This animation shows the first-ever map of the surface of an exoplanet, or a planet beyond our solar system. The map, which shows temperature variations across the cloudy tops of a gas giant called HD 189733b, is made up of infrared data taken by NASA's Spitzer Space Telescope. Hotter temperatures are represented in brighter colors. HD 189733b is what is known as a hot-Jupiter planet. These sizzling, gas planets practically hug their stars, orbiting at distances that are much closer than...
Topics: What -- Infrared Array Camera (IRAC), What -- Spitzer Space Telescope, What -- Jupiter, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA09376
NASA Images
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Manicouagan Crater is one of the world's largest and oldest known impact craters and perhaps the one most readily apparent to astronauts in orbit. The age of the impact is estimated at 214 million years before present. Since then erosion has removed about one kilometer (0.6 miles) of rock from the region and has created a topographic pattern that follows the structural pattern of the crater. A ring depression (prominently seen as green) encloses a central peak. The ring depression now hosts the...
Topics: What -- Crater, What -- Shuttle Radar Topography Mission, What -- Space Shuttle Orbiter, What --...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA03384
NASA Images
by NASA
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NASA's Galileo spacecraft acquired its highest resolution images of Jupiter's moon Io on 3 July 1999 during its closest pass to Io since orbit insertion in late 1995. This color mosaic uses the near-infrared, green and violet filters (slightly more than the visible range) of the spacecraft's camera which have been processed to enhance more subtle color variations. Most of Io's surface has pastel colors, punctuated by black, brown, green, orange, and red units near the active volcanic centers....
Topics: What -- Galileo, What -- Moon, What -- Io, What -- Sun, Where -- Jet Propulsion Laboratory (JPL),...
Source: http://photojournal.jpl.nasa.gov/catalog/PIA02309